Find the balance in an account at the end of 12 years if $4000 is invested at an interest rate of 9% that is compounded continuously

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10